Lot 524. A greenish-glazed bowl, Song dynasty (960-1279); 12.5cm., 4 7/8 in. Estimate 600 — 800 GBP. Lot sold 600 GBP. Photo: Sotheby's 2008

the gently curved sides rising from a short straight foot to a slightly everted rim, freely combed to the interior with an abstract wave design, covered overall with a pale olive-green glaze save for the foot revealing the grey body.

Sotheby's. Fine Chinese Ceramics and Works of Art, London, 05 Nov 2008